Am Donnerstag, 13. August 2020 00:32:56 UTC+2 schrieb luser droog:   
   > I've got my project successfully parsing the circa-1975 C syntax   
   > from that old manual. I'd like to add parsers for K&R1 and c90   
   > syntaxes.   
   >   
   > How separate should these be? Should they be complete   
   > separate grammars, or more piecewise selection? ...   
      
   Why not settle for one master dialect and use awk to translate between   
   dialects?   
      
   [Probably because there is a great deal of C code written to comply with   
   the various versions of the standard, users want error messages that match   
   the code they wrote rather than some intermediate code, and it would be quite   
   an awk program that could reconcile all the differences among C flavors. -John]   
      
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